WO2014174680A1 - ダイヤモンドの鑑定書及びその鑑定書の作成方法 - Google Patents
ダイヤモンドの鑑定書及びその鑑定書の作成方法 Download PDFInfo
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- WO2014174680A1 WO2014174680A1 PCT/JP2013/062455 JP2013062455W WO2014174680A1 WO 2014174680 A1 WO2014174680 A1 WO 2014174680A1 JP 2013062455 W JP2013062455 W JP 2013062455W WO 2014174680 A1 WO2014174680 A1 WO 2014174680A1
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- 239000010432 diamond Substances 0.000 title claims abstract description 171
- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 163
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000003287 optical effect Effects 0.000 claims abstract description 66
- 238000005259 measurement Methods 0.000 claims description 31
- 238000007689 inspection Methods 0.000 claims description 11
- 238000003384 imaging method Methods 0.000 abstract description 2
- 238000011156 evaluation Methods 0.000 description 21
- 238000005520 cutting process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 241000579895 Chlorostilbon Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010976 emerald Substances 0.000 description 2
- 229910052876 emerald Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 241001272720 Medialuna californiensis Species 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000011840 criminal investigation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 235000015096 spirit Nutrition 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
- G06F16/58—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/87—Investigating jewels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
- G06K19/06018—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking one-dimensional coding
- G06K19/06028—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking one-dimensional coding using bar codes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
- G06K19/06037—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking multi-dimensional coding
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
Definitions
- each operator when measuring various kinds of polished natural diamond such as 4C (Carat, Color, Clarity, Cut) and Color Origin in units of lots or in units of one, each operator registers a fingerprint in the computer in advance. After registering the measurer, read the bar code that contains information such as the serial number and company name of the diamond with a bar code reader, and measure the carat (weight) under the specified control number. The measurement information is stored in a computer database and a two-dimensional code, respectively. In this way, the next measurer also registers the fingerprint in the computer and stores the measurement information in the computer database and two-dimensional code under the management number recorded in the barcode.
- 4C Carat, Color, Clarity, Cut
- the measurement information is stored and managed in a computer database (DB) and two-dimensional code, respectively, and a CG image of a three-dimensional diamond shape is created through computer graphic (CG) software based on various subsequent dimension measurements. Then, an optical virtual reflection image created by CG software in each case of the presence or absence of a color filter is output and displayed on an appraisal document for the three-dimensional CG image of the diamond.
- DB computer database
- CG computer graphic
- a CG image of the three-dimensional shape of the diamond is stored in a computer DB, and various data information on diamond such as 4C (Clarity, Color, Cut, Carat) is stored in the computer. Stored in the DB.
- An optical virtual reflection image of diamond created by CG software in each case of the presence or absence of a color filter is created based on the basic law of geometric optics.
- the light incident from the pavilion main facet is reflected by the table surface into a heart shape, and the light incident from the table crown side is reflected by the pavilion surface and is an arrow-shaped pattern
- An image is obtained, and an optical virtual reflection image by CG software in each case of the presence or absence of a color filter of Heart & Cupid (registered trademark) is obtained.
- the target diamond is assigned a number that identifies the diamond.
- the pavilion side is the top and the crown side is the diamond.
- light is incident from the pavilion side to obtain a heart-shaped photographic image that is a reflection image from the table surface or facet surface on the crown side, while the crown side is up and the pavilion side is down
- An arrow-shaped pattern image in which incident light from the crown side is reflected by the facet surface on the lower pavilion side and is emitted to the crown side, is photographed and attached to a predetermined portion of the certificate.
- the invention of the diamond identification method is (1) setting a diamond to be identified on a measurement stage that can be rotated by a driving means. (2) a step of irradiating the appraisal diamond with a light source, (3) a step of controlling the driving means by a cut evaluation measuring computer and rotating the measuring stage by a predetermined angle, (4) an appraisal diamond A step of detecting a silhouette image of the appraisal diamond by a camera installed on the side opposite to the light source, and storing the image data of the detected appraisal diamond silhouette image in a computer for cut evaluation measurement, (5) ) Step (3) and step (4) are repeated a plurality of times in this order.
- the image data of the silhouette image of the appraisal diamond By returning the image data of the silhouette image of the appraisal diamond from a plurality of predetermined directions to the computer for cutting evaluation measurement and storing it, (6) the image data of the silhouette image stored in the computer for cutting evaluation measurement Using the cut evaluation data of the appraisal diamond and storing the cut evaluation data in the database so as to correspond to the appraisal diamond, (7) measuring the weight and color of the appraisal diamond with a weight / color measuring device, A step of storing the measurement data in a database so as to be associated with the appraisal diamond, and (8) a step of taking a photograph of the appraisal diamond by a photographic image capturing device and storing the photo image data in the database so as to be associated with the appraisal diamond.
- Cut evaluation day A step of creating image data of an image obtained by graphing and storing the image data in a database, and (10) predetermined data based on the data obtained in steps (6), (7), (8), and (9)
- a diamond appraisal method including a step of printing an appraisal document of the form (Patent Document 1).
- the graphed image data created based on the diamond photographic image and the cut evaluation data is displayed at the location displayed in the diamond certificate of FIG. 8 of Patent Document 1.
- a photograph image and a cut evaluation data are displayed on the certificate. It is described that the graphed image data created based on this is printed.
- each diamond corresponding to a specific number is a pattern obtained by reflecting on each facet surface by light irradiation.
- the images were photographed, and pictures of the heart-shaped and arrow-shaped pattern images were pasted to predetermined locations on the appraisal, respectively.
- the cut evaluation data obtained in the above step (10) is sent to the database and stored with a management number so as to correspond to the appraisal diamond.
- Measurement data by a device that measures appraisal items other than cut evaluation for example, appraisal diamond weight and color measurement data by weight / color measurement device
- the same management number is added and stored.
- Appraisal items other than cut evaluation include color (color), clarity (clarity), weight, fluorescence, and the like.
- the photograph of the appraisal diamond is taken by the photo image capturing device, the photo image data is input to the database, and the same management number is attached and stored so as to correspond to the appraisal diamond. Yes.
- the cut evaluation data obtained in step (10) in (11) above is sent to the database in paragraph 0013, and stored with a management number so as to correspond to the appraisal diamond.
- Process and (12) Measurement data (for example, appraisal diamond weight and color measurement data by weight / color measurement device) input by the device that measures appraisal items other than cut evaluation are input to the database, (13) Taking a photograph of the appraisal diamond by a photo image capturing device, inputting the photo image data into a database, and attaching the appraisal diamond
- the operator There are a) input operation of management numbering for cut evaluation data, (b) input operation of same management numbering for measurement data, and (c) input operation of same management numbering for photographic image data.
- the present invention provides a color filter for displaying a 4C information relating to a barcode and diamond including a serial number (control number) for identifying a diamond and information relating to a measurement and inspection company and a virtual reflection image display of the diamond.
- 2D code with information such as optical virtual reflection image by CG software in each case is stored and stored in the computer database, and the input / output information of each diamond is serial number (control number) and measurement Information describing the inspection company is managed in a barcode and computer database
- 4C information about diamonds and information such as optical virtual reflection images by diamond CG software are managed in a two-dimensional code and computer database.
- the present invention pays attention to the fact that the refractive index of diamond is constant without adopting a photographic image of a pattern image obtained by actual light irradiation which takes skill, labor and time for various cut forms of diamond.
- the optical virtual reflection image in each case of the presence or absence of a simple and accurate diamond color filter can be output and displayed on the certificate via CG software.
- a three-dimensional image of diamond is created by CG software based on numerical values obtained by measuring each part of the diamond shape with a dimension measuring device, and the three-dimensional image of the diamond is stored in a computer database.
- a three-dimensional image of diamond created by software for example, an optical virtual reflection image of diamond in each case with or without a color filter obtained by CG software viewed from the crown side and obtained by CG software viewed from the pavilion side It is possible to quickly and accurately create an optical virtual reflection image when there is a color filter, and output and display the optical virtual reflection image on an appraisal document.
- the diamond management number and measurement inspection company are read with a barcode reader, and various measurement data associated with the management number are recorded in a computer database and whether or not there is a color filter created by CG software.
- the virtual optical reflection image of the diamond in the case of the case is also stored in the computer database in association with the control number, and diamond dealers and purchasers etc. indicate that the diamond cut type is seen from the crown side and the pavilion side, for example, in the certificate. It is an object of the present invention to provide a highly reliable diamond appraisal that can be taken as an optical virtual reflection image depending on the presence or absence of each color filter when viewed from the viewpoint, and a method for producing the appraisal.
- the diamond certificate according to the present invention includes a barcode for reading the management number and measurement / inspection company information of a polished natural diamond, and 4C information of carat, color, clarity, and cut associated with the management number, A 2D code for reading an optical virtual reflection image in each case of diamond size information and the presence or absence of a diamond color filter created by CG software is provided, and the 4C information output from the 2D code is output. An optical virtual reflection image in the absence of the color filter and an optical virtual reflection image in the presence of the color filter are output from the two-dimensional code and computer database. Displayed And wherein the door.
- the optical virtual reflection image created by the CG software is the presence or absence of the color filter by the CG software when the virtual light from the crown side of the diamond is incident.
- the optical virtual arrow-like reflection image in each case which is an optical virtual heart-like reflection image in the case where there is a color filter by CG software when virtual light is incident from the pavilion side. 1 is a diamond certificate according to 1.
- a bar code and a two-dimensional code having a diamond management number and measurement / inspection company information stored in a computer database are read with a reader and managed with the same management number.
- a diamond silhouette image is captured by a CCD camera, and a three-dimensional image of the diamond is created by CG software based on the captured diamond image;
- CG software Based on the optical virtual reflection image from the plane side of the three-dimensional shape image created by CG software based on the above and the optical virtual reflection image based on the presence or absence of the color filter when viewed from directly above with the bottom side facing upward,
- the display column is provided with a step of outputting and displaying.
- a management number is assigned to each of the natural diamonds which are managed in units of lots or individually for a plurality of polished natural diamonds.
- the management numbers are obtained from the computer database and the database.
- Each two-dimensional code that is managed by the output bar code and output from the database contains 4C information for the diamond with the same control number, and the three-dimensional shape of the diamond created by the CG software is on the flat side and bottom side.
- each image is displayed as an optical virtual reflection image based on the presence or absence of a color filter from each.
- the light reflected from two different facet surfaces on the pavilion side against the optical virtual incident light from the table crown side of a round brilliant cut diamond is reflected on each of the table surface and the facet surface on the crown side.
- an optical virtual light emitting pattern image that is substantially the same as a photograph is obtained.
- the arrow portion is white due to selective absorption of light, and the surrounding area is blue, so that the contrast of the image is further increased and the commercial value can be increased.
- the present invention includes a bar code for reading the management number and information of the measurement / inspection company in the certificate, and 4C (carat, color, clarity, cut) information and an optical virtual reflection image of diamond created by CG software.
- the company that purchased the diamond from the measurement and inspection company can share the same diamond information with the measurement and inspection company through the online of the computer network.
- the advantage is that the diamond purchasing company can carry out its own product management based on the information of each dimension code, and the merchant becomes more reliable in quality control for the final consumer.
- the barcode and two-dimensional code displayed on the appraisal can be duplicated or stored in a computer, and online via the measurement and inspection company. Through this cooperation, it is possible to find domestic and foreign diamond stolen goods, to find criminal from stolen goods, contribute to criminal investigation, and also have crime prevention effect.
- (A) Plan view and (b) Bottom view to (s) Plan view and (t) Bottom view of various diamonds to be identified according to the present invention are shown.
- A An optical virtual plan view, (b) an optical virtual bottom view (c) an optical virtual front view, and (d) an enlarged view of a girdle, respectively, prepared by CG of a round brilliant cut diamond are shown.
- Explanatory drawing which shows each of the incident light of a brilliant cut diamond, a reflected light, a refracted light, a critical angle, and a total reflection area
- the example of drawing of the optical virtual incident light ray from the crown side of a round brilliant cut diamond is shown.
- a plan view of the crown side of a round brilliant cut diamond is shown with vertical and horizontal grids, and optical virtual light is injected perpendicular to the grids before the light traces are shown.
- diamonds whose dimensions are to be measured as polished natural diamonds are classified in the cut format as follows.
- each cut form showed the top view seen from the upper part on the left side, and the bottom view seen from the lower part was shown on the right side.
- 2A and 2B are round brilliant cuts
- FIGS. 2C and 2D are oval brilliant cuts
- FIGS. 2E and 2F are pair-shaped brilliant cuts
- FIG. g) are marquise brilliant cuts
- FIGS. 2 (i), (j) are zircon cuts
- FIGS. 2 (k), 2 (l) are heart-shaped brilliant cuts
- (N) is a trap brilliant cut
- FIGS. 2 (o) and (p) are old European cuts
- FIGS. 3 (q) and (r) are spirits, brilliant cuts
- FIG. 2 (s) is a single cut
- FIGS. 3 (a) and 3 (b) are square emerald cuts
- FIGS. 3 (c) and 3 (d) are emerald cuts
- FIGS. 3 (e) and 3 (f) are baryon cuts.
- 3 (g) and (h) are baguettes 3 (i) and 3 (j) are old mine cuts
- FIGS. 3 (k) and 3 (l) are tapered bucket cuts
- FIGS. 3 (m) and 3 (n) are swissers cuts
- FIG. (O) and (p) are bevel cuts
- FIGS. 3 (q) and 3 (r) are half moon cuts
- FIGS. 3 (s) and 3 (t) are table cuts.
- an appraisal for a round brilliant cut diamond 1 will be described.
- the management of the round brilliant cut diamond 1 is performed for each lot, and a serial number (hereinafter referred to as a management number) N input when the weight of each diamond is measured is input to a computer database.
- a serial number hereinafter referred to as a management number
- Each barcode and two-dimensional code input to the database has a management number.
- the bar code and the first control number of the two-dimensional code output from the computer are read by the code reader R, and various diamond input information relating to the same control number thereafter is read by the bar code and two-dimensional code code reader R.
- Each information is input to the computer. This eliminates any trouble caused by human input mistakes. That is, the management number of the diamond 1 is read by the bar code and two-dimensional code reader R to confirm the identity of the diamond, and all information is entered into the database.
- FIG. 1A is an explanatory diagram showing a diamond dimension measuring apparatus
- FIG. 1B is an explanatory diagram showing an example of calculating the diameter and the like of the diamond 1 with reference to the exact dimension of the rotary stage 17.
- FIG. 1A is a schematic diagram showing the principle of dimension measurement of a round brilliant cut diamond 1 (hereinafter simply referred to as diamond 1) by Diavision HD (trade name). It is set in a state where the center of the diamond 1 is aligned with the center position of the rotary stage 17. The diamond 1 is sucked and fixed by a suction hole (not shown) provided at the center of the rotary stage 17. The diameter of the rotary stage 17 is accurately controlled.
- a parallel light beam is irradiated from the light source 13 shown in FIG. 1A to the diamond 1 set on the rotary stage 17.
- the parallel rays irradiated to the diamond 1 pass through the diamond 1 and are imaged by the CCD camera 14 through the lens.
- This imaging information is input to the database 19 of the computer 16.
- the dimensions of each part of diamond 1, such as crown side table, star facet, bezel facet, upper girdle facet and pavilion side girdle, curette, pavilion facet, lower girdle facet Calculated as a ratio to the exact dimensions of the stage 17.
- the angle of each part of the diamond 1 is calculated from the dimensions of each surface using a function.
- the rotation stage 17 rotated by a stepping motor (not shown) is rotated by 3.6 ° with respect to the rotation angle of 360 °.
- the rotation angle is not limited to this and can be changed as necessary. Also good.
- 100 silhouettes of diamond 1 are measured by 3.6 ° rotation is shown.
- a three-dimensional image of the diamond 1 is created by CG software based on the dimensions of each part of the diamond 1 and stored in the database 19 of the computer.
- FIG. 4A is a plan view seen from the upper crown side 3
- FIG. 4B is a plan view seen from the lower pavilion side 8.
- the upper crown side 3 is composed of a table 4, a star facet 5, a besel facet 6, and an upper girdle facet 7.
- the table 4 is finished in an octagon with a flat surface.
- Reference numeral 5 denotes a star facet, which is in contact with one of the eight sides of the table 4 and is composed of a triangular inclined surface.
- 6 is a bezel facet composed of an irregular quadrangular inclined surface. Two sides touch one side of two star facets 5 and the other two sides are sandwiched between two upper girdle facets 7. In contact with each side.
- Reference numeral 7 denotes a modified fan-shaped upper girdle facet. The arcuate portion is in contact with the girdle 9 and there are 16 pieces on the same circumference.
- the lower pavilion side 8 has a substantially conical shape, but the surface of each facet is finished flat.
- a culet 10 composed of a small circle at the lower end of the substantially conical shape.
- Each of the pavilion facets 11 having a heel shape is formed radially from the center in 45 degrees divided into eight equal parts passing through the center of the circle, and the surfaces thereof are flat.
- An arc-shaped lower girdle facet 12 is formed at 45 degrees across the pavilion facet 11.
- FIG. 4C is a front view of the diamond 1 created by round brilliant cut CG software, and the upper crown side 3 and the lower pavilion side 8 are positioned with the girdle 9 in between. When the girdle 9 is enlarged, a substantially diamond shape is continuously formed in the circumferential direction in the horizontal direction.
- FIG. 4D is an enlarged view of the girdle 9.
- the optical virtual reflection image obtained when the optical virtual light is incident when the crown side is up and the optical virtual light is incident from the crown side in the presence or absence of the color filter has the same circular shape with 8 arrows. Is obtained symmetrically.
- the left side is an image when there is no color filter
- the upper right side is an image when there is a color filter, and this image is output to the certificate 2 by the computer 16 (see FIG. 8). ).
- n sin i / sin r
- n the refractive index
- i the incident angle
- r the refractive angle
- the bundle of optical virtual light is 1000 per mm, and this calculation is performed from the end of the diamond to the end based on the above formula, and the optical virtual for the optical virtual incident light is performed.
- An optical virtual reflection image by the reflected light is created on the CG of the computer 16, and the data of the optical virtual reflection image is stored in a computer database.
- the number of optical virtual light bundles is not limited to 1000 per 1 mm, and the number can be changed as necessary.
- the present invention eliminates the need for the operator to input the serial number (control number) of the diamond each time in the respective steps such as weight measurement (carat) and dimension measurement for the same diamond.
- the operator only needs to read the control number entered in the bar code or two-dimensional code with a code reader. Since it is only necessary to output and display the optical reflection image of the highly reliable diamond on the appraisal, the reliability of the appraisal in the jewelry industry as a whole is further increased.
- the trader and the jeweler purchaser viewed the appraisal and viewed from the top with the optical virtual reflection image and bottom view side in each case of the presence or absence of the color filter by the CG software for the actual diamond. In this case, it is possible to confirm the optical virtual reflection image of the diamond in a set as a set, and promote safe transactions and purchases.
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Abstract
Description
また、高価なダイヤモンドが盗難等に遭ったとしても、鑑定書に表示されたバーコード及び二次元コードを複製するか、コンピュータに保存しておくことにより、前記測定検査会社とのオンラインを介しての連携により国内、国外にあるダイヤモンドの盗難品を見つけだすことが出来、盗難品から犯人を割り出すことができ、犯罪捜査に寄与でき、犯罪防止効果も有する。
ラウンド・ブリリアント・カットのダイヤモンド1の管理をロット毎に行ない、ダイヤモンドの各々の重さを測る時に入力されたシリアル番号(以下、管理番号という)Nをコンピュータのデータベースに入力する。データベースに入力されたバーコード及び二次元コードには管理番号をそれぞれ備えている。コンピュータから出力したバーコード及び二次元コードの最初の管理番号をコード読取り器Rで読み取り、以後の同一の管理番号に関するダイヤモンドの各種入力情報はバーコード及び二次元コードのコード読取り器Rにより読み取られてコンピュータにそれぞれの情報が入力される。このため、人間の入力ミスによるトラブルが一切排除される。すなわち、ダイヤモンド1の管理番号はバーコード及び二次元コードのコード読取り器Rで読み取られてダイヤモンドの同一性が確認されて、全ての情報がデータベースに入力される。
回転ステージ17の中心位置にダイヤモンド1の中心を合わせた状態でセットされる。ダイヤモンド1は、回転ステージ17の中心に設けた吸引孔(図示せず)で吸引されて固定される。回転ステージ17の直径は正確な寸法管理がされる。
テーブル4は、表面が平坦な八角形に仕上げられている。5はスター・ファセットで、テーブル4の8辺のうちの1辺にそれぞれ接し、かつそれらは三角形状の傾斜面で構成される。6は変則の4角形をした傾斜面で構成されるベゼル・ファセットで、2辺が2つのスター・ファセット5の1辺に接し、他の2辺は2つのアッパー・ガードル・ファセット7に挟まれてそれぞれの1辺と接している。7は変形の扇形状のアッパー・ガードル・ファセットで、弧状部分はガードル9に接していて、同一円周上に16個存在する。
n=sin i/sin r 但し、nは屈折率、iは入射角、rは屈折角である。
ダイヤモンドから空気中へ光が出る場合、入射角 r´が臨界角より小さい時に限り光は外へ出る。
ダイヤモンドの屈折率nは2.417であり、入射した光は
2.417=sin i/sin r の式に従ってダイヤモンドの中に入射する。
すなわち、ダイヤモンドの寸法が判明すれば、ダイヤモンドに入射した光がどの様に反射するかが厳密に計算できる。
2 鑑定書
3 上部クラウン側
4 テーブル
5 スター・ファセット
6 ベゼル・ファセット
7 アッパー・ガードル・ファセット
8 下部パビリオン側
9 ガードル
10 キューレット
11 パビリオン・ファセット
12 ロアー・ガードル・ファセット
13 光源
14 CCDカメラ
15 レンズ
16 コンピュータ
17 回転ステージ
18 スリットレーザー
19 データベース
R バーコード又は二次元コードの読取り器
Claims (3)
- 研磨した天然ダイヤモンドの管理番号及び測定検査会社情報を読み取るバーコードを備えるとともに、該管理番号に紐づけられたカラット、カラー、クラリティー、カットの4C情報、ダイヤモンドのサイズ情報及びCGソフトにより作成されるダイヤモンドのカラーフィルターの有無のそれぞれの場合における光学的仮想反射画像を読み取る二次元コードを備えるとともに、前記二次元コードから出力表示される前記4C情報を出力表示する欄及びダイヤモンドのサイズ表示欄を備え、かつ前記二次元コード及びコンピュータのデータベースから前記カラーフィルターの無い場合における光学的仮想反射画像と前記カラーフィルターが有る場合における光学的仮想反射画像とが出力表示されていることを特徴とするダイヤモンド鑑定書。
- 請求項1記載の天然ダイヤモンドがラウンド・ブリリアント・カットダイヤモンドの場合の鑑定書において、CGソフトにより作成した光学的仮想反射画像はダイヤモンドのクラウン側からの仮想の光を入射した場合のCGソフトによるカラーフィルターの有無のそれぞれの場合における光学的仮想矢印状反射画像であり、パビリオン側から仮想の光を入射した場合のCGソフトによるカラーフィルターが有る場合の光学的仮想ハート状反射画像であることを特徴とする請求項1記載のダイヤモンド鑑定書である。
- コンピュータのデータベースに保存されたダイヤモンドの管理番号及び測定検査会社情報を備えたバーコード及び二次元コードを読取り器で読み取り、同一管理番号で管理されたダイヤモンドの寸法測定をするためにCCDカメラでダイヤモンドのシルエット像を撮像し、該撮像されたダイヤモンド画像を基にCGソフトにてダイヤモンドの立体形状画像を作成する工程と、該ダイヤモンドの立体形状画像を基にCGソフトにより作成した前記立体形状画像の平面側からの光学的仮想反射画像と底面側を上にして真上から見た場合のカラーフィルターの有無による光学的仮想反射画像のそれぞれを鑑定書の表示欄に出力表示し得る工程を備えていることを特徴とするダイヤモンド鑑定書の作成方法。
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CN201380001438.5A CN104395094B (zh) | 2013-04-26 | 2013-04-26 | 钻石的鉴定书及其鉴定书的制作方法 |
JP2013554713A JP5813788B2 (ja) | 2013-04-26 | 2013-04-26 | ダイヤモンド情報のレポート作成装置及びそのダイヤモンド情報のレポートの作成方法 |
US14/786,961 US9355124B2 (en) | 2013-04-26 | 2013-04-26 | Written expert opinion of diamond and method of preparing the same |
PCT/JP2013/062455 WO2014174680A1 (ja) | 2013-04-26 | 2013-04-26 | ダイヤモンドの鑑定書及びその鑑定書の作成方法 |
TW102132050A TWI486575B (zh) | 2013-04-26 | 2013-09-05 | The identification method of diamond and the method of making the certificate |
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JP2019142204A (ja) * | 2018-02-19 | 2019-08-29 | 昭憲 松本 | 直筆サイングッズの証明書、証明方法及び売買システム |
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TWI486575B (zh) | 2015-06-01 |
HK1202842A1 (en) | 2015-12-18 |
US20160070723A1 (en) | 2016-03-10 |
CN104395094B (zh) | 2016-12-21 |
JP5813788B2 (ja) | 2015-11-17 |
JPWO2014174680A1 (ja) | 2017-02-23 |
US9355124B2 (en) | 2016-05-31 |
TW201441601A (zh) | 2014-11-01 |
CN104395094A (zh) | 2015-03-04 |
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